2021 Pac-12 Conference Leaders Opponent Penalties - Games vs. FBS non-Power 5 Conference Teams Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 1 | 8 | 63 | 8.0 | 63.0 |
| 2 | Utah | 2 | 13 | 124 | 6.5 | 62.0 |
| 3 | Washington State | 3 | 21 | 178 | 7.0 | 59.3 |
| 4 | USC | 3 | 20 | 172 | 6.7 | 57.3 |
| 5 | Arizona | 2 | 11 | 100 | 5.5 | 50.0 |
| 6 | Washington | 1 | 6 | 49 | 6.0 | 49.0 |
| 7 | Oregon State | 2 | 11 | 95 | 5.5 | 47.5 |
| 8 | California | 1 | 4 | 45 | 4.0 | 45.0 |
| 9 | UCLA | 2 | 13 | 80 | 6.5 | 40.0 |
| 10 | Stanford | 1 | 4 | 35 | 4.0 | 35.0 |
| 11 | Arizona State | 2 | 6 | 50 | 3.0 | 25.0 |